[PATCH 3/9] bisect: do not use update-ref for BISECT_HEAD

[David Turner <dturner@twopensource.com>]

Because BISECT_HEAD is a pseudoref, we shouldn't use update-ref to
update it.  Instead, we simply write to and delete the file.

Signed-off-by: David Turner <dturner@twopensource.com>
---
 git-bisect.sh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/git-bisect.sh b/git-bisect.sh
index ea63223..8263555 100755
--- a/git-bisect.sh
+++ b/git-bisect.sh
@@ -181,7 +181,7 @@ bisect_start() {
 	#
 	echo "$start_head" >"$GIT_DIR/BISECT_START" && {
 		test "z$mode" != "z--no-checkout" ||
-		git update-ref --no-deref BISECT_HEAD "$start_head"
+		git rev-parse "$start_head" > "$GIT_DIR/BISECT_HEAD"
 	} &&
 	git rev-parse --sq-quote "$@" >"$GIT_DIR/BISECT_NAMES" &&
 	eval "$eval true" &&
@@ -425,7 +425,7 @@ bisect_clean_state() {
 	rm -f "$GIT_DIR/BISECT_TERMS" &&
 	# Cleanup head-name if it got left by an old version of git-bisect
 	rm -f "$GIT_DIR/head-name" &&
-	git update-ref -d --no-deref BISECT_HEAD &&
+	rm -f "$GIT_DIR/BISECT_HEAD" &&
 	# clean up BISECT_START last
 	rm -f "$GIT_DIR/BISECT_START"
 }
-- 
2.0.4.315.gad8727a-twtrsrc